The Respiratory System and gas Exchange

Respiration and gas exchange is a standard science topic for most students between the ages of 11-15. This educational classroom poster identifies the major parts of the respiratory system with brief details of each. Also included are explanations of the three processes involved in respiration. i.e. ventilation, External respiration and Internal Respiration.

WHAT YOU RECEIVE
You will receive five high-resolution (300 dpi) jpeg files in different sizes. These are supplied in a zipped folder.
These files can be scaled down to print at different sizes according to your needs.

American paper sizes:
File_1 for printing 16" x 20" or scaling down to 8” x 10”, 4” x 5”
File_2 for printing 18” x 24, or scaling down to 12” x 16”, 9” x 12”, 6” x 8”
File_3 for printing 24" x 36" or scaling down to 20” x 30”, 16” x 24”, 12”x 18”, 10” x 15”, 8” x 12”, 6”x 9”
File_4 for printing 11” x 14”

International paper sizes
File_5 for printing A1 or scaling down to A2, A3, A4

RETURNS POLICY
As is standard with digital purchases, we cannot accept returns or issue a refund if you change your mind about a purchase. We will, however, correct or replace any damaged files at no extra cost to you.